From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Diagram of a test rig with dimensional measurements.
| Identifier | ExFiles\Box 94\4\ scan0047 | |
| Date | 21th May 1935 guessed | |
| DIAGRAM I TEST RIG 7.5 24" 12" W | ||